iOS 5
The iOS 5 is the most advanced software that apple has ever designed. With the iOS 5 everything becomes easier, that's what makes iOS 5 years ahead of everything else. iOS 5 brings over 200 new features to the iPod.
iCloud
The iPhone 4S comes with iCloud, which makes it much easier to manage all your stuff, because it manages it all for you. iCloud has your music, photos, apps, mail, contacts, calendars, documents, and more. iCloud wirelessly sends them to all your devices. It is done automatically, effortlessly, and seamlessly.
HD video recording
iPod touch now comes with a second camera on the back, which lets you shoot amazing 720p HD video. Its backside illumination sensor captures amazing footage even in low-light settings. Now you can also record conversations, music or any audio at the same time with the new built-in microphone.
AirPlay
With the iPod Touch you can stream wirelessly to an HDTV and speakers, which allows your music, photos and video to be viewed on the TV. It called AirPlay!